HiCheck the user manual of the development board. 1.Which board you are using? Check the link below. https://sites.ualberta.ca/~delliott/ece492/appnotes/2015w/g5_ps2_controller/appnote%20-%20ps2%20keyb... https://eewiki.net/pages/viewpage.action?pageid=28278929 ftp://ftp.altera.com/up/pub/altera_material/15.0/university_program_ip_cores/input_output/ps2_contro... Best Regards, Anand Raj Shankar (This message was posted on behalf of Intel Corporation)
Hello,I think this issue was possibly alread answered: see: PS/2 keyboard not able to detect on the altera forum. (You will need to modify the ps2 header file and increase timeout.) Best Regards, Johi.